4TB SAS Hard Drive Disk (HDD) - 7,200 RPM, 3.5-inch form factor, Dual-Port (DP), Midline (MDL), 6Gb per second Transfer Rate (TR)

HP SATA drives are designed for the reliability and mass storage demanded by today's entry server and external storage environments. The SATA portfolio is categorized into two categories: Entry (ETY) and Midline (MDL) drives. HP SATA Entry drives are the lowest unit-cost solution for entry-level servers. HP SATA Midline drives are designed with economical reliability and performance for external storage, backups and archival applications. These high capacity drives provide the lowest $/GB to our customers. Both Entry and Midline SATA drives provide the best price advantage for non-mission critical applications with low workloads of 40% or less. HP SATA drives are available small form factor (2.5-inch) and large form factor (3.5-inch) and ship with a standard one year warranty.Entry SATA drives offer customers the lowest acquisition cost, features include the following:• Reliability for non-mission critical entry server environments, appropriate for Midline SATA offers customers the lowest $/GB drives and increased features over Entry SATA• Increased reliability of approximately two times Entry drive reliability based on SATA Applications• With the attractive low acquisition cost and high capacity points of SATA drives it is important to understand the appropriate applications where SATA drives should be used. Proper usage (IE

Serial Attached SCSI (SAS) provides a superior storage solution. With some storage requirements escalating and others becoming more complex, factors such as flexibility, performance, increased reliability, greater density, security, scalability and accessibility are more critical than ever. Today's organizations consist of different kinds of environments. Enterprise data centers must be online almost 24X7, fulfill requests from numerous users simultaneously, and allow for constant growth and expansion while in operation. Other customer environments require high capacity storage and high data availability for low I/O environments. HP's portfolio of SAS drives meets all these demands.

3TB hot-plug SAS hard drive - 7,200 RPM, 6Gb/sec transfer rate, 3.5-inch large form factor (LFF), Dual-Port, Midline

HP SATA hard drives are designed for reliability and mass storage demanded by today's server and storage environments. The SATA hard drive portfolio is categorized into two categories: Entry (ETY) and Midline (MDL) hard drives. HP SATA Entry hard drives are the lowest unit-cost solution for entry level servers. Designed for economical reliability and performance for non-mission critical applications, Entry and Midline SATA hard drives provide the best price advantage for these lower workload environments. These hard drives are available in Small Form Factor (2.5in) and Large Form Factor (3.5in) for both hot plug and non-hot plug environments.Designed and Engineered to Provide Reliable and Cost Efficient Data Storage• Increased Midline drive reliability of approximately two times that of Entry drives based on a